Staff Selection Commission Multi Tasking Staff Exam
Question : Which of the following acids makes the pH of vinegar acidic?
Option 1: Tartaric acid
Option 2: Citric acid
Option 3: Linoleic acid
Option 4: Acetic acid
Correct Answer: Acetic acid
Solution : The correct option is Acetic acid.
Acetic acid is the main component of vinegar apart from water. It is also called Ethanoic acid. It is a colourless liquid and organic compound with the chemical formula CH3COOH. It is an important chemical
Question : Directions: In the following question, the following histogram shows the relationship between the marks obtained by the students and the number of students in an examination. Study the histogram and answer the questions.
The percentage of students who obtained 40 marks or less is __.
Option 1: 25
Option 2: less than 25, but not 15
Option 3: more then 24
Option 4: 15
Correct Answer: more then 24
Solution : Based on the given graph in question, Total number of students = 5 + 10 + 15 + 19 + 13 = 62 Number of students who obtained 40 marks or less = 15 Required percentage = $\frac{\text{Number of students who obtained 40
Question : What is the HCF of 513 and 1017?
Option 1: 15
Option 2: 8
Option 3: 9
Option 4: 13
Correct Answer: 9
Solution : Given: The numbers are 513 and 1017. 513 = 3 × 3 × 3 × 19 1017 = 3 × 3 × 113 The HCF of 513 and 1017 = 3 × 3 = 9 Hence, the correct answer is 9.
Question : A dining set listed at INR 5000 is sold to a man at successive discounts of 20% and 10% by the shopkeeper. What is the selling price of the dining set?
Option 1: INR 3600
Option 2: INR 4800
Option 3: INR 1000
Option 4: INR 4000
Correct Answer: INR 3600
Solution : Marked price = INR 5000 Two discounts are 20% and 10%. So, Selling price = $\frac{100-\text{Discount}_1\%}{100}× \frac{100-\text{Discount}_2\%}{100}×$ marked price = 5000 × $\frac{100-20}{100}$ × $\frac{100-10}{100}$ = 5000 × $\frac{80}{100}$ × $\frac{90}{100}$ = INR 3600 Hence, the correct answer is INR 3600.
Question : Directions: Select the option figure that will replace the question mark (?) in the figure given below to complete the pattern (Rotation is not allowed).
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : On comparing the question figure and all the answer figures, the following figure will combine and make the complete pattern –
Hence, the second option is correct.
Question : Select the most appropriate option to fill in the blank.
Yesterday, after a nice walk, we ______ to sit on the bench, watch the birds, and rest for a while.
Option 1: decided
Option 2: decide
Option 3: decides
Option 4: deciding
Correct Answer: decided
Solution : The correct choice is the first option.
Decide means to come to a resolution, and the past form decided is the correct choice, as the sentence is in the past tense.
Therefore, the complete sentence is: "Yesterday, after a nice walk, we decided to
Question : Which fundamental right provided in the Indian Constitution prohibits traffic in human beings and forced labour?
Option 1: Right to freedom
Option 2: Right to constitutional remedies
Option 3: Right to equality
Option 4: Right against exploitation
Correct Answer: Right against exploitation
Solution : The correct option is the Right against exploitation
Article 23 of the Indian Constitution prohibits trafficking in human beings and forced labour. It ensures the right against exploitation, emphasising the abolition of all forms of exploitation and the imposition of human trafficking and
Question : Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No substitution required'.
We made sure our new house were closer to a good primary school when moving home last summer.
Option 1: was close
Option 2: No substitution required
Option 3: were closed
Option 4: was closing
Correct Answer: was close
Explanation: Were should be replaced with was, as the subject (the house) is singular. This maintains the proper subject-verb agreement in the sentence.
Therefore, the correct sentence is: "We made sure our new house
Question : What should come in place of the question mark (?) for the following mathematical statement to be true? (9576 ÷ 21) × (462 ÷ 42) – 563 × 8 = (?)3
Option 1: 5
Option 2: 7
Option 3: 8
Option 4: 3
Correct Answer: 8
Solution : (9576 ÷ 21) × (462 ÷ 42) – 563 × 8 = (?)$^3$ ⇒ 456 × 11 – 4504 = ?3 ⇒ 5016 – 4504 = ?3 ⇒ 512 = ?3 ⇒ ? = 8 Hence, the correct answer is 8.
Question : Who was the only female Muslim ruler to ever rule India?
Option 1: Rabia-ud-daurani
Option 2: Haji Begum
Option 3: Razia Sultan
Option 4: Arjumand Bano
Correct Answer: Razia Sultan
Solution : The correct option is Razia Sultan.
The only Muslim woman to rule Delhi was Razia Sultan. During the Delhi Sultanate era, she ruled as the Sultan of Delhi from 1236 to 1240. During her reign, Razia had several difficulties, such as pushback from the
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